Geometric sequence — AMC & AIME Problems

Practice every real AMC 8, AMC 10, AMC 12, and AIME problem that uses geometric sequence — a algebra concept — each with a professionally curated solution, many with a video solution too, from LIVE by Po-Shen Loh. Browse all concepts or the full past-contest archive.

All of these problems are used with official legal permission of the Mathematical Association of America (MAA).

AMC 8

1991 AMC 8 Problem 25 · 1996 AMC 8 Problem 7 · 1996 AMC 8 Problem 13 · 1998 AMC 8 Problem 15 · 1998 AMC 8 Problem 16 · 1998 AMC 8 Problem 17 · 1999 AMC 8 Problem 25 · 2008 AMC 8 Problem 12 · 2013 AMC 8 Problem 9 · 2022 AMC 8 Problem 9 · 2025 AMC 8 Problem 20

More algebra concepts

absolute valueagesalgebraic manipulationAM-GM Inequalityarithmetic sequencebinomial theoremcalculusCauchy-Schwarz Inequalitycompleting the squarecomplex numbercustom operationDe Moivre’s Theoremdeterminantdifference of squaresfactoringFibonaccifloor and ceiling functionsfunctionfunctional equationinequalitylinear equationlogarithmmatrixmixtureNewton’s Sumspartial fractionspolynomialquadraticradicalrational equationrationalizing denominatorrecursionroots of unitySimon’s Favorite Factoring Trickslopesubstitutionsum and difference of cubessum of first n cubessum of first n odd numberssum of first n squaressummationsymmetry (algebra)system of equationstelescopingVieta’s Formulas